[bs-17], [bs-146] Add some ApplicationContextInitializers

* One for Cloud Foundry and one for the application context ID
* If app runs in Cloud Foundry vcap.application.* and vcap.services.*
will be populated in the Environment
* The ApplicationContext ID is set to something supposedly unique
(e.g. name:index in a Cloud Foundry app)

[#50968415] [#48153639]

spring-bootstrap/pom.xml

@@ -39,6 +39,11 @@
 			<artifactId>snakeyaml</artifactId>
 			<optional>true</optional>
 		</dependency>
+		<dependency>
+			<groupId>com.fasterxml.jackson.core</groupId>
+			<artifactId>jackson-databind</artifactId>
+			<optional>true</optional>
+		</dependency>
 		<dependency>
 			<groupId>org.apache.tomcat.embed</groupId>
 			<artifactId>tomcat-embed-core</artifactId>